126 LEGU MINOS2. LUPINUS. 
lower one subentire: petals equal, 5—7 lines long, blue, violet or whit- 
ish, the upper one acute, naked, keel strongly falcate, naked: ovules 
5—7: pods 1—2 inches long, 4—5 lines wide, 3—6 seeded. From the Co- 
lumbia to the Sacramento Valley. 
L. ornatus Dougl. Bot. Reg. xiv, t, 1216. Stems decumbent or as- 
_ cending: pubescence short, more or less silky, mostly appressed: 
stipules setaceous: leaflets 5—7, oblanceolate or cuneate-oblong, 8—24 
lines long, acute or acutish: racemes 3—8 inches long, usually short- 
peduncled: bracts short, subulate or ovate; pedicles 2—3 lines long: 
calyx-lips nearly equal, the upper rather shortly toothed or bifid, the 
lower subentire; petals blue, equal, 5—7 lines long, the. upper one 
acutish, subsilky on the back; keel ciliate: ovules 5—8. pods 15 lines 
long, 3—4 lines broad. From the Columbia river to California. 
+++ + + Leaves distant lower petioles elongated; leaflets 
not smooth above: racemes mostly dense. 
L. sulphureus Dougl. —.ook. Fl. i, 166. Stems erect slender, sul- 
cate, silky: leaflets 13—15, narrowly lanceolate, densely sericeous on 
both sides, shorter than the petiole, whitish: stipules subulate, short: 
flowers somewhat verticillate, in a dense thick raceme: calyx ebrac- 
teolate, very silky: flowers small, pale sulphur-color, keel glabrous. 
On the Blue Mountains of Oregon. 
L. sericeus Pursh Fl. 468. Rather stout, suberect, 1—2 feet high: 
pubescence more or less coarsely villous or subsilky, spreading: stipules - 
usually long-setaceous: leaflets 5—8, rarely 10, narrowly oblanceolate, 
1—8 inches long, acute; racemes short-peduncled; bracts deciduous, sub- 
ulate-setaceous often much exceeaing the calyx; flowers subverticillate 
or scattered, on short pedicels blue, pink or white; calyx strongly 
gibbous, minutely bracteolate, densely silky-villous, the lips nearly 
equal, 6 lines long, keel ciliate: ovules 4—6: pods densely hairy, an 
inch long. Common from Washington to northern California and 
Nevada. 
L. saxosus Howell Eryth, i, 110. Stems simple, decumbent or as- 
cending, 4—10 inches long, soft-pubescent with spreading hairs: stipules 
subulate; leaflets 8—12, densely appressed-silky beneath, sparsely so 
above, 6—12 lines long, acute or obtusish: racemes dense,.2—3 inches_ 
long, short-peduncled: bracts lanceolate, acuminate, caducous: flow- 
ers subverticillate, on short slender pedicels: upper lip of the calyx 
bifid, the lower a little longer, trifid: petals equal, 6 lines long, bright 
blue, the upper one obtuse, smooth, keel ciliate: ovules 4—5: pods 
villous. On high stony ridges in the John Day Valley, eastern Oregon, 
and the Klickitat hills, Washington. 
L. leucophyllus Dougl. Bot. Reg. xiii, t, 1124. Stout, 2—8 feet high, 
branching, leafy, densely white-silky throughout: stipules long-setace- 
ous or subulate: leaflets 7°-10. oblanceolate or cuneate-oblong, 1—3 
inches long, acute, the petioles about equalling the leaflets or the lower 
ones twice longer: racemes sessile or nearly so, very dense, 6—12~ 
inches long: bracts subulate or linear, subpersistent or deciduous, 
longer than we buds: flowers scattered or subverticillate, nearly 
sessile: calyx minutely bracteolate, upper lip rather broad, more or 
less villous, keel ciliate. On damp hillsides, Brit. Columbia to Califor- 
nia and New Mexico. Flowering from May until heavy frosts in au- 
tumn. 
L. canescens Howell, 1. c. Rather stout, strict, 2—8 feet high, at 
length branching, silky-canescent or the inflorescence hirsute: leaflets 
8—12, lanceolate, acuminate, 1—3 inches long, densely appressed-villous 
on both sides: racemes short-peduncled, dense, 8—10 inches long: 
